Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.162675E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T07:59:01+0800
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    1 Object 1

    Name HJ-2E
    AOE ID 54035
    NORAD ID 54035
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 66750
    NORAD ID 66750
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter HJ-2E OBJECT CN
    Time of Closest Approach 2026-10-21T02:57:40+0000
    Collision Probability (Pc) 5.162675E-6
    Conjunction Distance (km) 1.452 km
    Relative Speed (km/s) 8.603 km/s
    Conjunction Risk Parameters R (Radial): -1.448 | I (In-track): -0.076 | C (Cross-track): -0.05
    Collision Risk Index (CRI) 0.49
    X Position (km) 520.063 520.253
    Position Y (km) 942.982 943.138
    Position Z (km) -6803.525 -6804.955
    Velocity X (km/s) 3.414 7.535
    Velocity Y (km/s) -6.754 0.677
    Velocity Z (km/s) -0.673 0.669

    Orbital Parameters 国际轨道数据源

    Parameter HJ-2E OBJECT CN
    Semimajor Axis (a) 6882.788 km 6881.957 km
    Eccentricity (e) 0.000398 0.000138
    Inclination (i) 97.3855° 97.4114°
    RAAN 294.5613° 3.8676°
    Perigee Argument 317.8600° 167.2674°
    Mean Anomaly (M) 42.2329° 192.8597°
    Apogee 507.394 km 504.772 km
    Perigee 501.908 km 502.868 km
    Orbit Epoch 2026-10-19T11:53:26+0000 2026-10-19T03:57:24+0000

    HJ-2E & OBJECT CN Collision Probability (Pc) Trend

    HJ-2E & OBJECT CN Collision Probability (Pc) TrendNot Available

    HJ-2E & OBJECT CN Miss Distance (Miss Distance) Trend

    HJ-2E & OBJECT CN Miss Distance (Miss Distance) TrendNot Available

    HJ-2EMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT CNMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HJ-2ECollision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT CNCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HJ-2E

    No nearby objects data